security requirements for a united states consulate. cnn's intelligence correspondent suzanne kelly has been working the story for us. what are you picking up? >> we are learning that that mission in benghazi was operating under a security waiver at the time. and that basically means the typical security standards that would have been required at other diplomatic missions did not apply in this particular volatile area. mainly because the villa which was being used to carry out the u.s. mission there was temporary in nature. according to diplomatic security experts, that decision to allow the mission to operate under a waiver would have been made in consultation with someone in washington along with their libyan counterpart and of course the ambassador himself. take a listen. >> someone made the decision that the mission in benghazi was so critical that they waived the standard security requirements which psents unique challenges to the diplomatic security service, as you can imagine. >> if you think about those unique challenges from a